Metal casement window and metal weather strip therefor



I F. P. ANDERSON. METAL CASEMENT WINDOW AND METAL WEATHER STRIP THEREFOR.

APRLICATION HLED AUG-6, 1920- Patented Sept. 26-, 1922.

Patented Sept. as, 1922. l

FRANK PAUL ANDERSON, OF COLUMBUS, OI-IIO, AS S IGNOR OF ONE-HALF TO GEORGE C. URLIN, OF COLUMBUS, OHIO.

METAL CASE-MEN'I wmnow AND METAL WEATHER s'rnrr THEREFOR.

Application filed August 6, 1920. Serial No. 401,693.

To allwhomitma'g concern. T bar. In the construction shown the Be it known that]; FRANK P. ANDERSON, frames are attached to the easement b ita sub ect of the King of Denmark, and a able hinges 18, and are provided with a resident of Columbus, in the county of pivoted bar 19 connectingthe respective Franklin and State of Ohio, have insash whereby they are adapted to be moved 60 vented certain new and useful Improvein unison in opening and closing. When ments in Metal Casement Windows and the sash are in closed position the lip 17 Metal Weather Strips Therefor, of which will enter space 15 and bear against the the following is a specification. spring tongue 13, while the tongue 13 will 10 The object of my invention is to provide extend into the channel 20 to form a close 65 an absolutely dust and weather proof joint tight joint between the parts. The tongue between a metal window casement and win- 13 iscurved outwardly. at its edge from the dow frame, and also between the respective Zbar in order to permit of really entrance cooperating frames of the window. of the lip within space 15. The inter-en 15 My invention consists in the parts and in gagement of the lip in space l5 and the 70 the construction, combination and arrangetongue in channel 20,together with the close ment of parts, as herein set forth and fit of the T-bar at each end with the col i d operating Z-bar with the air space t-herebe- In the drawings: tween which serves as a non-conductor, pro- Fig. 1 is a perspective view of the window vides a thoroughly efiicient dust, dirt and 75 having my invention applied thereto, the weather-proof construction. The parts are sash being shown in partly open position; so constructed and arranged as to engage Fig. 2 is a perspective view partly in secand disengage with the greatest ease and tion illustrating portions of adjacent hinged there is just suflicient spring in the tongue sashes, and a casement in which they are to permit this and at the same time pio so mounted, showing my novel weather strip vide for any possible inequalities or variaand the position it assumes when the sashes tions in the parts, so as to effect a close are in closed position; nonbinding fit.

Fig. 3 is a side elevation partly in sec- While I have shown this construction of tion showing the weather strip between the weather strip applied to cooperating sashes '85 lower portion of one sash and the upper hinged to the casement, I do not confine portion of an adjacent sash in closed pomyself to this particular type of. sash, but sition; the same may beused regardless of the man- Fig-t is a similar view showing the sash nor of attaching or mounting the sash. in partly open position; and It will be seen that with this construe- 90 Fig. 5 is a section on the line 5--5 of tion a tight weather-strip joint may be Fig. 2. formed entirely around between the window In the embodiment of my invention as sash and casement, and between the respecillustrated and which shows a preferred tive sashes.

40 construction, the top and sides of each sash The cooperating spring tongue and lip 95 frame and the bottom of the easement is provide for such contraction and expansion formedin the shape of a T-bar 10, while the of the metal as may take place. I prefer to top and sides of the metal casement and the construct the strip of zinc, spring bronze, bottom of each sash is formed in the shape brass or any equivalent rust-proof material of a Z-bar 11. The Zbar and T-bar are to prevent corroding. As is well known me spaced apart from each other at 12 to procold contracts and heat expands metal. My vide for the reception of the cooperating invention provides a flexible construction members of the metallic weather strip which and allows the window to be tight in the consists of a tongue 13 of spring metal, spot coldest as well as in the hottest weather;-

welded or otherwise secured to the Z-bar, regulated by the law of contraction and eX- and curved outwardly therefrom and havpansion, thus insuring an absolutely tight ing a curved projecting edge 14, leaving a casement window under any and all conspace 15 between said tongue and Z-bar. ditions. A channeled strip 16 having a lip 17 is The parts, as illustrated andabove -de- 55 spot welded or otherwise secured to the scribed, are soconstructed that they fit to gether snugly without jamming or locking the window, and at the same time resulting in easy operation in opening and closing. Upon examination it is seen that there is a two-point contact between the Z-bar and T-bar with a non-conduc ting air space therebetween in which the lip enters the space and the tongue enters the channel in cooperating contact with each other, so that in order for any foreign matter to pass through from the outside to the inside of the window would require a circuitous route extending in six different directions. The extending edge of the Z-bar exposed to the weather would effectually shield the entrance of any rain from entering space 12, and if it should by any possibility enter said space it would have to pass first forwardly, then backwardly and then forwardly between the tongue and lip to get through the joint.

While I have shown a tongue and lip of preferred construction, I do not desire to be limited to this precise construction, but

variations may be made in either or both,

within the scope of the attached claims.

Having described my invention and its manner of use, what I claim as new and desire to secure by Letters Patent is:

1. In a metal casement window, the combination of a metal Z-bar and a metal T-bar having a two-point contact with each other and having a space thereloetween, a spring tongue secured to said Z-bar within said space and said tongue having a space between it and the Z-bar and a lip secured to said T-bar in said space and having a channel therein, and said tongue being adapted to detachably enter said channel and said lip being adapted to detachably enter said space between said tongue and said Z-bar, substantially as set forth and for the purposes specified.

2. In metal weather strips for metal casement windows, the combination of a T-bar having a lip spaced apart therefrom by a channel, and a Z-bar having a tongue attached thereto and separated therefrom by a space, said lip adapted to detachably en; gage said tongue and Z-bar in said space and said tongue adapted to detachably engage said lip in said channel to form a tight joint.

3. In metal weather strips for metal casement windows, the combination'of a metal T-bar having a lip spaced apart therefrom by a channel formed therein, and a Z-bar having a spring tongue attached thereto and partly separated therefrom by a space, the edge of said lip being curved away from said T-bar, said lip adapted to detachably enter said space and said spring tongue adapted to detachably enter said channel and bear against said lip to form a tight joint.

4. In weather strips, a metal casement comprising top and side Z-bars and'a bot tom T-bar, sashes pivotally mounted therein and each comprising top and side T -bars and a bottom Z-bar, said Z-bars and T-bars having a two-point contact, tongues secured to said Z-bars and channeled lips secured to said T-bar, whereby said tongue is adapted to enter said channel and said lip is adapted to fit between said tongue and said Z-bar, and means for opening and closing said sashes in unison.

FRANK PAUL ANDERSON. 

